What were some of the key tactical innovations of the Napoleonic era? To what extent were these the results of Napoleon, or were Napoleon's victories the culmination of previous tactical and logistical changes?

by gnikivar2
jschooltiger

Are you interested in land battle only, or naval as well? If the second, these older answers of mine might be of interest:

https://www.reddit.com/r/AskHistorians/comments/3ebdk5/how_did_nelsons_tactics_work_at_trafalgar/

https://www.reddit.com/r/AskHistorians/comments/2bpjog/what_did_a_naval_blockade_look_like_in_the_age_of/